User's Manual

StreetNode™ 6250 PTP
Installation & Cabling Manual - Edition 2.1
35
Cable Length Restrictions, Continued
Cable length
restrictions,
continued
B): Maximum length of cables used for Powering:
Due to voltage drop along the length of the powering cable and the minimum
voltage requirements at the input of the radio power supply, restrictions
apply on the length of powering cables as follows:
• Direct DC powering cables:
The maximum cable length of the recommended 2 x 1 mm
2
cable is 100 m.
The maximum cable length of the recommended 2 x 2.5 mm
2
cable is 300 m
The lowest allowable voltage at the input of the cable is
40.5Volts.
In case more than 100 m cable length then 2 x 2.5 mm
2
power
supply cable is required.
A short tail cable 2 x 1 mm
2
terminating to DC power supply
connector (StreetNode
TM
6250 PTP side) should be connected
with 2 x 2.5 mm
2
power supply cable.
The power cables should be connected in a reliable and
waterproof fashion.
• Direct AC powering cables:
The maximum cable length of the recommended 3 x 0.75 mm
2
cable is 300
meters.
• S-FTP cable (CAT5E or CAT6) used with provided power injectors
(1)
:
− S-FTP cable (CAT5E or CAT6) used with provided AC type power
injectors (with order codes POE-ID-AC75, PONE-OD67-AC and POE-
IDH-AC56): The maximum length of S-FTP cable between StreetNode
TM
6250 PTP radio unit receptacles up to power injector receptacle (out) is
100m (Restriction Cat5E or Cat6 S-FTP cable also applies).
Continued on next page
(1)
Use of PoE/PonE powering is applicable only with radio units featuring DC power module.